mirror of https://github.com/ppy/osu
101 lines
3.6 KiB
C#
101 lines
3.6 KiB
C#
// Copyright (c) 2007-2018 ppy Pty Ltd <contact@ppy.sh>.
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// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
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using System;
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using OpenTK;
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using osu.Framework;
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using osu.Framework.Graphics;
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using osu.Framework.Graphics.Containers;
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using osu.Framework.Graphics.UserInterface;
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using System.Linq;
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namespace osu.Game.Graphics.UserInterface
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{
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public class BreadcrumbControl<T> : OsuTabControl<T>
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{
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private const float padding = 10;
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private const float item_chevron_size = 10;
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protected override TabItem<T> CreateTabItem(T value) => new BreadcrumbTabItem(value)
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{
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AccentColour = AccentColour,
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};
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protected override float StripWidth() => base.StripWidth() - (padding + item_chevron_size);
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public BreadcrumbControl()
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{
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Height = 32;
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TabContainer.Spacing = new Vector2(padding, 0f);
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Current.ValueChanged += tab =>
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{
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foreach (var t in TabContainer.Children.OfType<BreadcrumbTabItem>())
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{
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var tIndex = TabContainer.IndexOf(t);
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var tabIndex = TabContainer.IndexOf(TabMap[tab]);
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t.State = tIndex < tabIndex ? Visibility.Hidden : Visibility.Visible;
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t.Chevron.FadeTo(tIndex <= tabIndex ? 0f : 1f, 500, Easing.OutQuint);
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}
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};
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}
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private class BreadcrumbTabItem : OsuTabItem, IStateful<Visibility>
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{
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public event Action<Visibility> StateChanged;
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public readonly SpriteIcon Chevron;
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//don't allow clicking between transitions and don't make the chevron clickable
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public override bool ReceiveMouseInputAt(Vector2 screenSpacePos) => Alpha == 1f && Text.ReceiveMouseInputAt(screenSpacePos);
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public override bool HandleKeyboardInput => State == Visibility.Visible;
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public override bool HandleMouseInput => State == Visibility.Visible;
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public override bool IsRemovable => true;
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private Visibility state;
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public Visibility State
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{
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get { return state; }
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set
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{
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if (value == state) return;
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state = value;
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const float transition_duration = 500;
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if (State == Visibility.Visible)
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{
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this.FadeIn(transition_duration, Easing.OutQuint);
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this.ScaleTo(new Vector2(1f), transition_duration, Easing.OutQuint);
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}
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else
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{
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this.FadeOut(transition_duration, Easing.OutQuint);
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this.ScaleTo(new Vector2(0.8f, 1f), transition_duration, Easing.OutQuint);
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}
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StateChanged?.Invoke(State);
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}
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}
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public BreadcrumbTabItem(T value) : base(value)
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{
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Text.TextSize = 18;
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Text.Margin = new MarginPadding { Vertical = 8 };
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Padding = new MarginPadding { Right = padding + item_chevron_size };
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Add(Chevron = new SpriteIcon
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{
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Anchor = Anchor.CentreRight,
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Origin = Anchor.CentreLeft,
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Size = new Vector2(item_chevron_size),
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Icon = FontAwesome.fa_chevron_right,
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Margin = new MarginPadding { Left = padding },
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Alpha = 0f,
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});
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}
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}
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}
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}
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